Lenovo SYSTEM BOARDS
5B21C87138
is compatible in the following Models:
Lenovo ThinkPad P Series laptops
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20THS1A100
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS02P0Y
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS02P44
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS0QS00
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS1W800
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS2E400
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS2NN00
ThinkPad P1 Gen 3 (20TH, 20TJ ) Laptop - 20TJS2NN2L